Photo by Harry Langdon/Getty Images) Featured initially on Knots Landing were the Fairgates: Karen (Michele Lee) and Sid (Don Murray) and their children Diana (Claudia Lonow), Eric (Steve Shaw ...

Gary (Ted Shackelford) and Val (Joan Van Ark) on Dallas spin-off Knots Landing ... (as Karen Fairgate), Don Murray (as Sid Fairgate), Steve Shaw (as Eric Fairgate), Justin Dana (as Jason Avery ...